Adjustable wrenches, developed according to the Scientific ERGO™ process. According to standards: ISO 6787, DIN 3117 Shape, ASME B107.8M - 1996 and BS 6333. High-alloy quality steel. Comfortable anti-slip thermoplastic handle. Scale division in mm for pre-setting and accurate measurement. The jaws do not fall out of the wrench, not even at the max. jaw opening. Jaw angle 15 for better accessibility. Left handed thread. P Series: Reversible jaws for use as pipe pliers. Chromed, precision hardened and anti-corrosion treatment.